Fluorescent quantum dots are widely used in biomedical imaging due to their bright and stable fluorescence, enabling high-resolution tracking of cells and tissues. They are also employed in diagnostic assays for detecting biomarkers with high sensitivity. In the field of electronics, quantum dots enhance the color accuracy and energy efficiency of displays in TVs and monitors. Additionally, they are utilized in solar cells to improve light absorption and energy conversion efficiency. Their tunable optical properties make them valuable in research for studying biological processes and developing advanced optical devices.